<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./js/vue.js"></script> 
</head>

<body>
    <div id="app">
       在日本这个游戏机是:{{price}},含税价格{{price1}},折合成人民币{{price2}}元。
       <button  @click="btnclick(10800)">含税价格10800<tton>
    </div>
    <script>
    var vm =new Vue({
        el:'#app',
        data:{
            price:22999
        },
        methods:{
        btnclick(newprice){
            this.price1=newprice;
        }
        },
        computed:{
            price1:{
                //return Math.round(this.price*1.08);
                get:function(){
                    return this.price*1.08;
                },
                set:function(value){
                    this.price=value/1.08;
                },
            },
            price2(){
                return Math.round(this.price/16.75);
            },
        }

    })
    </script> 
</body>

</html>
